EN
A group of 107 children aged from one month to 17 years was examinated. The factors causing specific symptoms were determined, together with the time of their appearance. In 87% allergic subjects the diagnosis was based on positive results of prick tests for selected allergens. The analysis of the role of various environmental factors triggering hypersensitivity reactions showed that the percentage of people allergic to food products was the greatest in the youngest age group. The work proved impact of enviromental allergens on the health of children examined.The most frequent allergens are pollens (46% examined) and fur of fur-bearing animals (45% examined). A dependence of the duration breast-feeding only upon the age of the baby was observed the moment the first symptoms of food allergy become visible.